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Finding the Fourth Proportional to 8,805.66, 12,150.27 and 5,027.10

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Solution

The fourth proportional to 8,805.66, 12,150.27 and 5,027.10 is: 6,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.66 : 12,150.27 = 5,027.10 : x
  2. Step 2: Convert to fraction form
    8,805.66/12,150.27 = 5,027.10/x
  3. Step 3: Cross multiply
    8,805.66x = 12,150.27 × 5,027.10
  4. Step 4: Simplify right side
    8,805.66x = 61,080,622.32
  5. Step 5: Solve for x
    x = 61,080,622.32/8,805.66
  6. Step 6: Final answer
    x = 6,936.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.